Question:
Explain the adaptation of plants to live in water.
Answer:
(i) Roots are reduced in size which hold the plant.
(ii) Stems are long, hollow and light.
(iii) Stems grow up to the surface of water.
(iv) Leaves and flowers float on the surface of water.
(v) The leaves are covered by the waxy layer which protects the leaves from excessive water.
Living Organisms and Surroundings
Q 1.
Name a few habitats.
Q 2.
Name some aquatic habitats.
Q 3.
Give two examples of each biotic and abiotic components.
Q 5.
Do plants also excrete?
Q 6.
What kind of movement do we see in plants?
Q 8.
What do you mean by term adaptation?
Q 9.
Name few terrestrial habitats.
Q 12.
Why do we need abiotic factors?
Q 13.
What are predators?
Q 14.
Which of the things in the following list are non-living?
Q 15.
Which of the following non-living things were once part of a living thing?
Butter, Leather, Soil, Wool, Electric Bulb, Cooking Oil, Salt, Apple, Rubber.
Q 16.
What is reproduction?
Q 17.
Does adaptation take place in a short time?
Q 19.
Name two aquatic animals.
Q 20.
Name two examples of aerial habitat animals.
Q 21.
What is the main Junction of food?
Q 22.
Name two terrestrial organisms.
Q 23.
What are the differences in the desert and sea regions?
Q 24.
What do you mean by germination of seeds?
Q 25.
Write the difference between living and non-living things.
Q 26.
What is the function of gill?
Q 27.
Name two organisms that live in deserts.
Q 29.
Name the animal which is called the ship of desert.
Q 30.
Name a common thing in all fishes.
Q 31.
What is respiration?
Q 33.
Explain the features offish which help it to adapt to live in water.
Q 34.
Do plants also move?
Q 35.
Explain the adaptation of plants to live in water.
Q 37.
Name a few plants that live in ponds.
Q 38.
Explain the characteristics oflimng organisms.
Q 39.
How are camels adapted to live in desert?
Q 40.
What is photosynthesis?
Q 41.
Name the habitat where various types of fish live.
Q 42.
Name two aquatic animals which have no gills.
Q 43.
Fill in the blanks:
(a) The presence of specific features which enables a plant or an animal to live in a particular habitat is called___________ .
(b) The habitats of the plants and animals that live on land are called _________________ habitats.
(c)The habitats of plants and animals that live in water are called ____________________ habitats.
(d) Soil, water and air are the____________ factors of a habitats.
(e) Changes in our surroundings that make us respond to them are called
Q 44.
Frogs can live both on land and in water, name the adaptations seen in these animals.
Q 45.
Name various types of habitat.
Q 46.
What are blowholes?
Q 47.
Explain the adaptation of trees to live in mountain regions.
Q 48.
How are cactus adapted to survive in a desert?
Q 49.
Give an example of a non-living thing which shows any two characteristics of living thing.
Q 50.
Name some plants found on mountains.
